InstanceCounter.hpp

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#pragma once
 
#include <atomic>
 
#include <Common/Profiler.hpp>
 
namespace shkyera {
 
template <typename ObjectType>
struct InstanceCounter {
 public:
  static inline std::atomic<size_t> Instantiated = 0;
  static inline std::atomic<size_t> Alive = 0;
  static inline std::atomic<size_t> Moved = 0;
  static inline std::atomic<size_t> Copied = 0;
  InstanceCounter() {
    ++Instantiated;
    ++Alive;
  }
 
  InstanceCounter(const InstanceCounter&) {
    ++Instantiated;
    ++Alive;
  }
 
  InstanceCounter(InstanceCounter&&) noexcept {
    ++Moved;
    ++Alive;
  }
 
  InstanceCounter& operator=(const InstanceCounter&) {
    ++Copied;
    return *this;
  }
 
  InstanceCounter& operator=(InstanceCounter&&) noexcept {
    ++Moved;
    return *this;
  }
 
 protected:
  ~InstanceCounter() { --Alive; }
};
 
}  // namespace shkyera